Each hantavirus tends to have a single rodent species as its reservoir.

• A. True
• B. False
• C. Sometimes
• D. Unknown

Answer: (A)

Hantaviruses tend to be maintained in a single rodent reservoir species within a region because the virus and host have coevolved to fit each other. This close association leads to a stable, efficient transmission cycle inside that one species, with humans typically becoming infected through exposure to that rodent’s shed urine, droppings, or saliva. While there are occasional exceptions where different rodent species can serve as reservoirs for related viral lineages in different areas, the typical pattern used in public health education is that each hantavirus has one primary reservoir species. This is why the statement is considered true in the common context.